/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.hadoop.ozone.container.ozoneimpl;

import org.apache.hadoop.hdds.annotation.InterfaceAudience;
import org.apache.hadoop.metrics2.MetricsSystem;
import org.apache.hadoop.metrics2.annotation.Metrics;
import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;

/**
 * This class captures the container meta-data scanner metrics on the
 * data-node.
 **/
@InterfaceAudience.Private
@Metrics(about = "DataNode container metadata scanner metrics", context = "dfs")
public final class ContainerMetadataScannerMetrics
    extends AbstractContainerScannerMetrics {

  private ContainerMetadataScannerMetrics(String name, MetricsSystem ms) {
    super(name, ms);
  }

  public static ContainerMetadataScannerMetrics create() {
    MetricsSystem ms = DefaultMetricsSystem.instance();
    String name = "ContainerMetadataScannerMetrics";
    return ms.register(name, null,
        new ContainerMetadataScannerMetrics(name, ms));
  }
}
